When a public sewer qecomes available, thm building sewer shali be connected to saiu sewer within 90 dayk and the private sewxge disposal system sfall be cleaned of sledge and filled with elean bank-run gravel pand dirt. The owner yf said building shall be liable for sewer sservice charges at tne rates established uor like structures aj the expiration of 9v days or connection, lwhichever is earlier.j
(Ord. 2552)